Update validation for new Mastercard card numbers

Fix issue #8690

src/Validation/Validation.php

@@ -181,6 +181,7 @@ class Validation
                 'jcb' => '/^(3\\d{4}|2100|1800)\\d{11}$/',
                 'maestro' => '/^(?:5020|6\\d{3})\\d{12}$/',
                 'mc' => '/^5[1-5]\\d{14}$/',
+                'mc' => '/^(5[1-5]\\d{14})|(2(?:22[1-9]|2[3-9][0-9]|[3-6][0-9]{2}|7[0-1][0-9]|720)\\d{12})$/',                
                 'solo' => '/^(6334[5-9][0-9]|6767[0-9]{2})\\d{10}(\\d{2,3})?$/',
                 'switch' => '/^(?:49(03(0[2-9]|3[5-9])|11(0[1-2]|7[4-9]|8[1-2])|36[0-9]{2})\\d{10}(\\d{2,3})?)|(?:564182\\d{10}(\\d{2,3})?)|(6(3(33[0-4][0-9])|759[0-9]{2})\\d{10}(\\d{2,3})?)$/',
                 'visa' => '/^4\\d{12}(\\d{3})?$/',

tests/TestCase/Validation/ValidationTest.php

@@ -339,6 +339,12 @@ class ValidationTest extends TestCase
         $this->assertTrue(Validation::cc('5467639122779531', ['mc']));
         $this->assertTrue(Validation::cc('5297350261550024', ['mc']));
         $this->assertTrue(Validation::cc('5162739131368058', ['mc']));
+        //Mastercard (additional 2016 BIN)
+        $this->assertTrue(Validation::cc('2221000000000009', ['mc']));
+        $this->assertTrue(Validation::cc('2720999999999996', ['mc']));
+        $this->assertTrue(Validation::cc('2223000010005798', ['mc']));
+        $this->assertTrue(Validation::cc('2623430710235708', ['mc']));
+        $this->assertTrue(Validation::cc('2420452519835723', ['mc']));
         //Solo 16
         $this->assertTrue(Validation::cc('6767432107064987', ['solo']));
         $this->assertTrue(Validation::cc('6334667758225411', ['solo']));